1999
January January; 30 (1): 1 - 197	February February; 30 (2): 281 - 491	March March; 30 (3): 481 - 703
April April; 30 (4): 705 - 915	May May; 30 (5): 917 - 1163	June June; 30 (6): 1165 - 1306
July July; 30 (7): 1307 - 1500	August August; 30 (8): 1501 - 1744	September September; 30 (9): 1745 - 1994; e1802 - e1990
October October; 30 (10): 1995 - 2261; e2238 - e2248	November November; 30 (11): 2263 - 2512	December December; 30 (12): 2513 - 2776